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Email Security Software with Domain Check (2026)

Last updated: April 2026

Key features of Email Security Software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

Email Attachment Protection: Users value encryption, customizable blocking, and sandbox features for secure and straightforward handling of sensitive attachments. 95% of reviewers rated this feature as important or highly important.
Threat Response: Reviewers appreciate the quick, automated threat detection and response, which helps reduce IT resources and increases security. 95% of reviewers rated this feature as important or highly important.
Threat Protection: Users highlight strong phishing and malware detection, which effectively prevents threats from reaching inboxes and ensures data security. 94% of reviewers rated this feature as important or highly important.
Spam Blocker: Reviewers note effective spam filtering, customizable rules, and reduced clutter, making inbox management easier and more efficient. 94% of reviewers rated this feature as important or highly important.
Encryption: Users emphasize the importance of end-to-end encryption for securing sensitive communications, with ease of use being a crucial factor. 92% of reviewers rated this feature as important or highly important.
Reporting/Analytics: Reviewers find value in detailed reports and analytics that provide insights into email threats and help inform security decisions. 81% of reviewers rated this feature as important or highly important.